Question about 2006 Ford Mustang

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My 2006 mustang has the 4.0 in it and is throwing the code P0108 which is the map sensor I've heard its on the egr valve

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  • Ford Master
  • 450 Answers

If you are going to work on this car i suggest that you purchase the Chilton Manual for this car. Before you take anything apart take pictures of it as you go so you can get it back together. The MAP Sensor is usually in the air intake, Before you replace it just unplug and replug it just to see if it will get well on its own. possibly a bad connection.

Posted on Mar 30, 2015

  • Ty Jerue Mar 31, 2015

    Thanks for the advice

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: 2006 Dodge Grand Caravan - EGR code

I replaced the EGR Valve ($80 after tax), problem solved, vanruns great now. Now my problem is that I can't get the light to turn off.

Posted on Oct 06, 2008

3mac
  • 61 Answers

SOURCE: 94 Automatic Geo Metro 3 Cyl. Map Sensor - EGR Valve

Unfortunately, both of these items are equally important and repairs can't normally be avoided by taking care of your car.

Your MAP (Mass Air Pressure) Sensor measures intake manifold vacuum pressure to help control the air and fuel mixture and timing. It contains a pressure-sensitive element that connects to an electronic circuit, generating a signal that changes with pressure changes in the manifold.

Your EGR (Exhaust Gas Recirculation) valve recirculates exhaust gases through the intake manifold to be burned again, cooling peak combustion temperature. Dilutes the air and fuel mixture to keep the nitrogen oxide emissions within breathable limits. And yes, it could very well be that the EGR solenoid that is causing the issue.

Both units effect your vehicle's fuel/air mixture. This is important because your vehicle running lean/rich can cause "snowball" problems. For example, a faulty EGR can cause the vehicle to run rich/lean. If not repaired, in time, the exhaust caused by the wrong rich/lean fuel mixture can damage the O2 sensors and/or catalytic converter.

If I had to pick, I'd start with your MAP Sensor. One guess I would have is that your MAP Sensor failed and made your vehicle start burning the wrong fuel/air mixture. Assuming I'm right, this could have damaged the EGR Valve. So, I see no reason to replace the EGR Valve alone, just so it too can be damaged by the poor fuel/air mixture caused by the still-faulty MAP Sensor. If your lucky, you may see the faulty EGR code disappear once your MAP Sensor is replaced.

Hope this helps and good luck!

Posted on Jan 12, 2009

  • 14036 Answers

SOURCE: Check Engine code P1409

clean the egr valve port on intake use piece of clothes rack clean the built up carbon on inside of port.

Posted on May 20, 2009

greg_margo
  • 1959 Answers

SOURCE: Cobalt not running at low rpm.......

All are possibilities but EGR valve makes the most sense. It's famous for causing poor idling and/or stalling at low RPMS. Best of luck.
Greg

Posted on Jun 18, 2009

  • 47 Answers

SOURCE: code p0406 says that the reading is high at EGR

They are usually one in the same if it has three or more wires going to it.

Posted on Feb 06, 2010

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1 Answer

Got p0748 p0108 code on my 04 honda odyssey. Car sat for about one year. Replaced fuel pump yesterday and it started right up. Can I get info on locations of where sensors are?


PO 748
service the transmission .....check solenoids

- Dirty transmission fluid - Low transmission fluid level - Faulty line pressure solenoid valve 'A' - Line pressure solenoid valve 'A' harness is open or shorted - Line pressure solenoid valve 'A' circuit poor electrical connection

Read more: http://www.autocodes.com/p0748.html

P0108
is the code for a problem with the MAP electrical circuit sensor having too high voltage input to the Engine Control Unit (ECU). This means that the voltage input to the ECU is too high and that it is not in the correct range for proper engine operation to work with inputs from the Mass Air Flow Sensor (MAF) and Throttle Position Switch (TPS). P0108 OBD II Trouble Code Manifold Air Pressure MAP Barometric Pressure...


odyssey map sensor is on the throttle body

Map sensor


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Nov 10, 2016 | Honda Cars & Trucks

1 Answer

2004 LS V6. What are the probable causes of DTC P0108?


It is quite possible this is caused by a simple vacuum leak. The first thing I would be doing is checking for such leaks.
You need to do a proper diagnosis. Just start replacing parts as many do and you probably won't stumble on the cause. You need a proper scan done on the vehicle to see what irregularities are evident other than the one fault code.




http://www.obd-codes.com/p0108

http://www.obd-data.com/p0108.html

Jan 09, 2016 | Lincoln Cars & Trucks

1 Answer

P0406 2007 ford mustang


The 406 code is the EGR valve. This valve sends exhaust gas back into the intake for reducing emissions. Take it off and clean it and inspect it for debris that hold it open. IF it is sticking open it would cause the 108 code. The 108 code is the MAP sensor that measures the vacuum on the air intake. Make sure all hoses etc are not cracked or brittle.

Sep 20, 2014 | Cars & Trucks

2 Answers

Two codes pop up?


Possible causes P406 include EGR Valve clogged, dirty or leaky
- EGR valve damaged/defective
- EGR volume control solenoid valve
- EGR temperature sensor and circuit
- EGR volume control solenoid valve harness is open or shorted
- EGR volume control solenoid valve circuit poor electrical connection
Possible causes P0108 - Faulty Manifold Absolute Pressure sensor
- Manifold Absolute Pressure harness is open or shorted
- Manifold Absolute Pressure sensor circuit poor electrical connection
- Faulty Engine Control Module (ECM)

May 23, 2014 | 2006 Lincoln LS V8

1 Answer

P0403 p0406 p0108


Hi there:
DTC P0403 - Exhaust Gas Recirculation Circuit Malfunction
The causes for a P0403 EGR code could be any of the following:
- Bad EGR solenoid

- Excessive resistance in control circuit (PCM controlled ground) due to an open, chafing or damage to the harness
- Poor connection at the EGR solenoid harness (worn or loose pins)
- Water intrusion at the EGR solenoid harness
- Blockage in EGR control solenoid holding solenoid open or closed causing excessive resistance
- Loss of supply voltage to EGR solenoid
- Bad PCM
DTC P0406 - Exhaust Gas Recirculation Sensor A Circuit HighAccording with the previous fault code, it's an electronic linear egr valve, you need a new one.

DTC P0108 - MAP Pressure Circuit High Input

Potential causes of a P0108 code:
- Bad MAP sensor
- Leak in vacuum supply line to MAP sensor
- Engine vacuum leak
- Short on signal wire to PCM
- Short on reference voltage wire from PCM
- Open in ground circuit to MAP
- Worn engine causing low vacuum


A good way to diagnose if the MAP sensor is to blame would be to compare the KOEO (key on engine off) MAP sensor reading on a scan tool with the Barometric pressure reading. They should be the same because they both measure atmospheric pressure.


If the MAP reading is greater than 0.5 volt off of the BARO reading, then replacing the MAP sensor would likely fix the problem. Otherwise, start the engine and observe the MAP reading at idle. It should normally be about 1.5 volts (varies according to altitude).


a. If it is, the problem is likely intermittent. Check all the vacuum hoses for damage and replace as necessary. You can also try wiggle testing the harness and connector to reproduce the problem.
b. If the scan tool MAP reading is more than 4.5 volts, check the actual engine vacuum reading with the engine running. If it is less than 15 or 16 in. Hg, then the PCM is probably not seeing enough vacuum (due to a worn engine, perhaps) for a given operating condition (which causes a higher than normal voltage signal to the PCM) and setting the code. Repair the engine vacuum problem and retest.
c. But, if the actual engine vacuum reading is 16 in. Hg or more, then unplug the MAP sensor. The scan tool MAP reading should indicate that there is no voltage present. Check that the ground from the PCM is intact and also that the MAP sensor connector and terminals are tight. If the connection is good, then replace the map sensor.
d. However if, with KOEO, & the MAP sensor unplugged, the scan tool shows a voltage reading, then there may be a short in the harness to the MAP sensor. Turn the ignition off. At the PCM unplug connector and remove the MAP signal wire from the connector. Re-attach the PCM connector and see if with KOEO, the scan tool MAP reading shows voltage. If it still does, replace the PCM. If not, check for voltage on the signal wire you just removed from the PCM. If there is voltage on the signal wire, find the short in the harness and repair.
Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

Oct 23, 2012 | 2005 Ford Freestyle

1 Answer

2004 mercury grand marque check engine light on code is p0108 says map sensor or vacum leak but does not have leaks.this car does not have map sensor what else needs to be replaced


PO 108 --- Baro/Map Sensor High Voltage Detected

Yes it does

It is integrated into one unit in the ESM EGR assembly
(possibly)

I have no experience with that,so if you find only an egr valve
& no other sensor with vacuum hoses & wires going to it,replace
the egr valve.

Getting the feeling you missed it

Work the web sites. Put in your motor & EMS Module for egr
& see what comes up

Sep 21, 2011 | 2004 Mercury Grand Marquis

2 Answers

My 2005 mustang has it's engine light on. the code was p0108. i replaced the map air flow sensor and re set the battery and the engine light went off for a minute. i drove my car about a mile and the...


You now know that the MAP sensor was only being effected and was not the problem. Here are a few possible causes for the high signal transfer of the circuit:

  • Leaking EGR valve
  • Vacuum leaks
  • Dirty fuel injectors
  • Wrong fuel pressure
  • Low engine compression
  • Ignition miss
  • Carbon deposits on the intake valves
  • Valve problems

Sep 13, 2011 | 2005 Ford Mustang

2 Answers

Po108 service code


Hi,
OBD II Fault Code
  • OBD II P0108
Fault Code Definition
The Manifold Absolute Pressure Sensor/Barometric Pressure Sensor measures the rise and fall of the air pressure inside the Intake Manifold. This provides critical data needed for the Power Train Control Module (PCM) to control the Air Fuel Ratio, the Ignition Spark Timing, and many components of the Emissions Control Systems. The Manifold Absolute Pressure/Barometric Pressure Sensor converts the Intake Manifold air pressure into a voltage that is high when the Intake Manifold air pressure is high and low when the Intake Manifold air pressure drops to a vacuum. The P0108 code indicates a high voltage input from the Manifold Absolute Pressure Sensor/Barometric Pressure Sensor to the Power Train Control Module.
Symptoms
  • Check Engine Light will illuminate
  • In many cases, no abnormal symptoms may be noticed
  • In some cases, the engine may be hard starting and/or get poor fuel economy
  • In some cases, noticeably poor engine performance may occur
Common Problems That Trigger the P0108 Code
  • Manifold Absolute Pressure Sensor/Barometric Pressure Sensor is defective
  • Intake Manifold vacuum leaks
  • Faulty or corroded Manifold Absolute Pressure Sensor/Barometric Pressure wiring or connections
Common Misdiagnoses
  • Manifold Absolute Pressure Sensor/Barometric Pressure Sensor is replaced when the real cause is an Intake Manifold vacuum leak
  • Manifold Absolute Pressure Sensor/Barometric Pressure Sensor is replaced when the real cause is a stuck-open EGR Valve
  • Manifold Absolute Pressure Sensor/Barometric Pressure Sensor is replaced when the real problem is a defective Idle Air Control Motor, which causes a very low engine idle

Jan 26, 2011 | Mazda MPV Cars & Trucks

1 Answer

My car is showing the code p1406 and p0108 and it started moving very slow and hesitate to move


Welcome to Fixya.

P1406 code means there is a problem with the EGR valve's pintle position. The EGR Valve's pintle could just be stuck in which case the problem could be fixed by cleaning the EGR valve.
If the EGR valve is electronically controlled or cleaning the valve does not fix the problem, you will most likely have to replace the EGR Valve.

P0108 code means there is a problem with the MAP sensor. You should replace it. This sesnsor is usually located between the air filter and the throttle body. It senses how much air is going into the throttle body so the car knows how much fuel to inject.

Thank you for using Fixya!

Nov 19, 2010 | 2003 Lincoln LS

3 Answers

CHECK ENGINE CODE "PO108" WHAT IS THIS AND HOW TO CORRECT


HI. The code and its respective definition will be located below:

P0108 --- Manifold Absolute Pressure/Barometric Pressure Circuit High

Here are a few possible causes for the high signal transfer of the circuit:

  • Leaking EGR valve
  • Vacuum leaks
  • Dirty fuel injectors
  • Wrong fuel pressure
  • Low engine compression
  • Ignition miss
  • Carbon deposits on the intake valves
  • Valve problems
Check the engine for the above faults. If all the points above check out Ok; Replace the MAP sensor.

Aug 20, 2010 | 2005 Ford Mustang

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